/*
 * OrangeGrass
 * Copyright (C) 2009 Vyacheslav Bogdanov.
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/lgpl-3.0-standalone.html>.
 */
#ifndef OGSTATISTICS_H_
#define OGSTATISTICS_H_

#include "IOGStatistics.h"


class COGStatistics : public IOGStatistics
{
public:
	COGStatistics();
	virtual ~COGStatistics();

	// add vertex / face count.
	virtual void AddVertexCount (
		unsigned long _Vert, 
		unsigned long _Faces);

	// add texture switch.
	virtual void AddTextureSwitch ();

	// add vertex buffer switch.
	virtual void AddVBOSwitch ();

	// add draw call.
	virtual void AddDrawCall ();

	// reset counters.
	virtual void Reset ();

	// get frame statistics.
	virtual void GetStatistics (
		unsigned long& _Verts, 
		unsigned long& _Faces,
		unsigned long& _TextureSwitches,
		unsigned long& _VBOSwitches,
		unsigned long& _DrawCalls ) const;

private:

	unsigned long m_Verts; 
	unsigned long m_Faces;
	unsigned long m_TextureSwitches;
	unsigned long m_VBOSwitches;
	unsigned long m_DrawCalls;
};


#endif
